special program for technical-vocational...

Special Program for

Technical-Vocational

Education Industrial Technology

Electrical Installation and

Maintenance NC II

Quarter 1 – Module 3:

Layout and Install Flexible Non-

Metallic Conduit

9

________________________________________________________________________________________________________________________________________________________________Subject to further validation for IP compliance, this material is for first quarter use only. Circulation shall be limited to public schools within the jurisdiction of the Division of Cebu Province. LR-PIPCV

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Special Program Technical Vocational Education Grade - 9

Alternative Delivery Mode

Quarter 1 - Module 3: Layout and Install Flexible Non-Metallic Conduit

First Edition, 2020

Republic Act 8293 section 176 states that: No copyright shall subsist in any work of the Government of the Republic of the Philippines. However, prior approval of the government agency or office wherein the work is created shall be necessary for the exploitation of such work for a profit. Such an agency or office may, among other things, impose as a condition the payment of royalties. Borrowed materials (i.e., songs, stories, poems, photos, brand names, trademarks, etc.) included in this book are owned by their respective copyright holders. Every effort has been exerted to locate and seek permission to use these materials from their respective copyright owners. The publisher and authors do not represent nor claim ownership over them. Published by the Department of Education Secretary: Leonor Magtolis Briones Undersecretary: Diosdado M. San Antonio

DEVELOPMENT TEAM OF THE MODULE

Writer : Andrez Melchor G. Zozobrado

Editor : Jose Garry R. Napoles

Reviewers : Analogie D. Destacamento

Chito R. Villacampa

Illustrator : Maribell J. Fuentes

Layout Artist : Maribell J. Fuentes

Management Team:

Schools Division Superintendent : Marilyn S. Andales

Assistant Schools Div. Superintendent : Leah B. Apao

Cartesa M. Perico

Ester A. Futalan

Chief Education Supervisor, CID : Mary Ann P. Flores

Education Program Supervisor, LRMDS : Isaiash T. Wagas

Education Program Supervisor, TLE : Jose Garry R. Napoles

Department of Education – Regional Office 7

Division of Cebu Province

Office Address : IPHO Bldg., Sudlon, Lahug, Cebu City, Philippines

Telefax : (032) 520-3216 – 520-3217; SDS Office: (032) 255 - 6405

E-mail Address : [email protected]

Bitoon National Vocational High School

Address : Bitoon, Dumanjug, Cebu

Telephone : (032) 471-8001

E-mail Address : [email protected]


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Special Program for

Technical-Vocational

Education Industrial Technology

Electrical Installation and

Maintenance NC II

Quarter 1 – Module 3:

Layout and Install Flexible Non-

Metallic Conduit


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Key Message

For Educators:

Learning is a constant process. Amidst inevitable circumstances, the Department of

Education extends its resources and looks for varied ways to cater to your needs and to

adapt to the new system of Education as a fortress of the Learning Continuity Plan. One of

the probable solutions is the use of Teacher-Made Educational Modules in teaching.

You are reading the Electrical Installation and Maintenance for Grade 9: First

Quarter Alternative Delivery Mode (ADM) Module on “Layout and Install Flexible Non-

Metallic Conduit” as written and found in the Competency-Based Curriculum –

Strengthened Technical-Vocational Education Program.

The creation of this module is an effort of competent trainers from Bitoon National

Vocational High School of the Department of Education-Cebu Province during this

pandemic period. In addition, this module is meticulously planned, organized, checked, and

verified by knowledgeable educators to assist you in imparting the lessons to the learners

while considering the physical, social, and economic restraints in the teaching process.

The use of the Teacher-Made Educational Module aims to surpass the challenges of

teaching in a new normal education set-up. Through this module, the students are given

independent learning activities, which embodies in the Most Essential Learning

Competencies based on the K-12 Curriculum Competencies, to work on in accordance with

their capability, efficiency, and time. Thus, helping the learners acquire the prerequisite 21st

Century skills needed with an emphasis on utmost effort in considering the whole well-being

of the learners.

As the main source of learning, it is your top priority to explain clearly how to use this

module to the learners. While using this module, learner’s progress and development should

be recorded verbatim to assess their strengths and weaknesses while doing the activities

presented independently in the safety of their homes. Moreover, you are anticipated to

persuade learners to comply and to finish the modules on or before the scheduled time.

For the Learners:

As a significant stakeholder of learning, the Department of Education researched and

explored innovative ways to address your needs with high consideration on social,

economic, physical, and emotional aspects of your well-being. To continue the learning

process, DepEd comes up with an Alternative Delivery mode of teaching using Teacher-

Made Educational Modules.

You are reading the Electrical Installation and Maintenance for Grade 9: First

Quarter Alternative Delivery Mode (ADM) Module on “Layout and Install Flexible Non-

Metallic Conduit” as written and found in the Competency-Based Curriculum –

Strengthened Technical-Vocational Education Program.


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This module is specially crafted for you to grasp the opportunity to continue learning

even at home. Using guided and independent learning activities, rest assured that you will

be able to take pleasure as well as to deeply understand the contents of the lesson

presented, recognizing your capacity and capability in acquiring knowledge.

This module has the following parts and corresponding icons:

LEARNING OUTCOME

The first part of the module will keep you

on track on the Competencies,

Objectives, and Skills expected for you to

be developed and mastered. Some

reminders about the module are found in

here too.

This part aims to check your prior

knowledge of the lesson to take. If you

can get a perfect score and perform

competently the competency, you can

skip the module and proceed to the next

module. If not, continue to the next part.

This part helps you link the previous

lesson to the current one through a short

exercise/drill.

A brief discussion of the lesson can be

read in this part. It guides and helps you

unlock the lesson presented.

A comprehensive activities for

independent practice is in this part to

solidify your knowledge and skills of the

given topic. This can be a drill or

exercise or an activity.

This part of the module is used to

process your learning and understanding

of the given topic. It can be a series of

questions or an activity.

A transfer of newly acquired knowledge

and skills to a real-life situation is present

in this part of the module. This can be a

task sheet (used when doing simple

tasks), operation sheet (used when doing

or operating devices or a job sheet (used

in doing series of task for a specific job).

GENERALIZATION

REVIEW LESSON

INFORMATION SHEET

ACTIVITY SHEET

PERFORMANCE TASKS

PRE - ASSESSMENT


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This activity assesses your level of

mastery towards the topic.

This contains answers to all activities in

the module.

At the end of this module you will also find:

In using this module, keep a note of the fundamental reminders below.

1. The module is government-owned. Handle it with care. Unnecessary marks

are prohibited. Use a separate sheet of paper in answering all the given

exercises.

2. This module is organized according to the level of understanding. Skipping

one part of this module may lead you to confusion and misinterpretation.

3. The instructions are carefully laden for you to understand the given lessons.

Read each item cautiously.

4. This is a Home-Based class; your reliability and honor in doing the tasks and

checking your answers are a must.

5. This module helps you attain and learn lessons at home. Make sure to

comprehend the first activity before proceeding to the next one.

6. This module should be returned in good condition to your teacher/facilitator

once you completed it.

7. Answers should be written on a separate sheet of paper or notebook

especially prepared for TVE subjects.

If you wish to talk to your teacher/educator, do not hesitate to keep in touch with

him/her for further discussion. Know that even if this is a home-based class, your teacher is

only a call away. Good communication between the teacher and the student is our priority to

flourish your understanding of the given lessons.

We do hope that in using this material, you will gain ample knowledge and skills for

you to be fully equipped and ready to answer the demands of the globally competitive world.

We are confident in you! Keep soaring high!

References Printed in this part is a list of all reliable and valid

resources used in crafting and designing this module.

SELF – CHECK

ANSWER KEYS


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Good day, dear learner!

This module is solely prepared for you to access and to acquire lessons befitted in

your grade level. The exercises, drills and assessments are carefully made to suit your level

of understanding. Indeed, this learning resource is for you to fully comprehend the “Layout

and Install Flexible Non-Metallic Conduit” independently, you are going to go through this

module following its proper sequence. Although you are going to do it alone, this is a guided

lesson and instructions/directions on how to do every activity is plotted for your convenience.

Using this learning resource, you are ought to “Layout and Install Flexible Non-

Metallic Conduit” as inculcated in the Competency-Based Curriculum – Strengthened

Technical-Vocational Education Program.

This module is composed of set of instructions for you to be guided in the activities

that you will perform later. Read and follow instructions properly, do not skip any parts and

perform each activity honestly. This module is intended for you finish within a week.

At the end of this module, you are expected to achieve the following objectives for

this session:

Identify flexible non-metallic conduit to be used in exposed or concealed in a certain condition

Describe the property of materials of the flexible non-metallic conduit.

Display responsibility and accountability by all times.

Perform for social responsibility.

Directions: Write TRUE if the statement is correct and FALSE if it is not. Write your

answer in a separate sheet of paper.

1. PEC provisions in installing flexible non-metallic conduit are strictly followed.

2. Uses and application of flexible non-metallic conduit are discussed according to

the PEC.

3. Electrical flexible non-metallic conduits are leveled horizontally and vertically aligned

to the structure specified in job requirements.

4. Workplace is not cleaned and made not safe upon the completion of work according to

the established standard.

5. Tools, materials and equipments needed for the installation are prepared in line with

job requirements.

LEARNING OUTCOME

PRE- ASSESSMENT


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6 Flexible non-metallic conduit must installed not line with job requirements.

7. Flexible non-metallic conduit is installed in line with the job requirements

8. Final report is prepared upon the completion of job.

Directions: Write Permitted if is to be used in allowable exposed or concealed locations

and Not Permitted if it is not in a certain condition. Write your answer in a

separate sheet of paper.

1. Where flexibility is required for installation, operation, or maintenance.

2. Where subject to physical damage.

3. Where protection of the contained is required from vapors, liquids, or solids.

4. Where any combination of ambient and conductor temperature is in excess of that for

which the liquid tight flexible non-metallic conduit is approved.

5. For outdoor locations where listed and marked as suitable for the purpose. FFN: For

marking requirements, see Section 110.1.21.

Flexible Non-metallic Conduit

This portion of information sheet is lifted from Philippine Electrical Code, 2000, Part I.

Definition. Liquid tight flexible non-metallic conduit is a listed raceway of circular cross

section of various types as follows:

1. A smooth seamless inner core and cover bonded together and having one or more

reinforcement layers between the core and cover designated as Type LFNC-A.

2. A smooth inner surface with integral reinforcement within the conduit wall,

designated as Type LFNC-B.

3. A corrugated internal and external surface without integral reinforcement within the

conduit wall, designated as Type LFNC-C.

This conduit is flame resistant and, with fittings, is approved for the installation of

electrical conductors.

Disclaimer: The contents above are borrowed from STVEP - CBC/CBLM – Electrical Installation and Maintenance (EIM) by Mr. Marino C. Cueto;

Ms. Gina C, delos Santos; Dr. Corazon Echano; and Mr. Lemuel C. Valles, funded by the Department of Education.

REVIEW LESSON

INFORMATION SHEET


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Uses.

(a) Permitted. Listed liquid tight flexible nonmetallic conduit shall be permitted to be

used in exposed or concealed locations for the following purposes. FPN: Extreme

cold may cause some types of nonmetallic conduits to become brittle and

therefore more susceptible to damage from physical contact.

(1) Where flexibility is required for installation, operation, or maintenance.

(2) Where protection of the contained conductors is required from vapors, liquids,

or solids.

(3) For outdoor locations where listed and marked as suitable for the purpose.

FFN: For marking requirements, see Section 110.1.21

(4) For direct burial where listed and marked for the purpose.

(5) Liquid tight flexible nonmetallic conduit as defined in Section 3.51.2.1(2) shall

be permitted to be installed in lengths longer than 1 800 mm where secured in

accordance with Section 3.51.2.6.

(6) As a listed manufactured prewired assembly, 15, mm (20mm) through 25 mm

(32 mm) conduit, as defined in Section 3.51 .2.1(2).

(b) Not Permitted. Liquid tight flexible non-metallic conduit shall not be used in the

following:

(1) `Where subject to physical damage

(2) Where any combination of ambient and conductor temperature is in excess of

that for which the liquid tight flexible non-metallic conduit is approved

(3) In lengths longer than 1 800 mm, except as permitted by Section 3.51

.2.2(a)(5) or where a longer length is approved as essential for a required

degree of flexibility..

(4) Where voltage of the contained conductors is in excess of 600 volts, nominal

Exception. As permitted in Section 6.0.2.3(a) for electric signs over 600 volts.

Size. The electrical trade sizes of liquid tight flexible nonmetallic conduit shall be in

accordance with (a) or (b):

(a) 15mm (20 mm) to 100mm (110mm) inclusive

(b) 10 mm (15 mm) as permitted below

(1) For enclosing the leads of motors as permitted in Section 4.30.13.5(b) (2) In

lengths not exceeding 1 800 mm as part of a listed assembly for tap

connections to lighting fixtures as required in Section 4.10.13.4(c), or for

utilization equipment (3) for electric sign conductors in accordance with

Section 6.0 .2 .3 (a)


Ms. Gina C, delos Santos; Dr. Corazon Echano; and Mr. Lemuel C. Valles, funded by the Department of Education.


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Number of Conductors. The number of conductors permitted in a single conduit shall be in

accordance with the percentage fill specified.

Fittings. Liquid tight flexible non - metallic conduit shall be used only with listed terminal

fittings. Angle connectors shall not be used for concealed raceway installations.

Securing and Supporting. Liquid tight flexible nonmetallic conduit, as defined in Section

3.51.2.1(2), shall be securely fastened and supported in accordance with one of the

following.

(a) The conduit shall be securely fastened at intervals not exceeding 900 mm and

within 300 mm on each side of every outlet box, junction box, cabinet, or

fitting.

(b) Securing and supporting of the conduit shall not be required where it is fished,

installed in lengths not exceeding 900 mm at terminals where flexibility is

required, or where installed in lengths not exceeding 1 800 mm from a fixture

terminal connection for tap conductors to lighting fixtures as permitted in

Section 4.10.13.4(c)

(c) Horizontal runs of liquid tight flexible nonmetallic conduit supported by openings

through framing members at intervals not exceeding 900 mm and securely

fastened within 300 mm of termination points shall be permitted.

3.51.2.7 Equipment Grounding. When an equipment grounding conductor is required for

the circuits installed in liquid tight flexible nonmetallic conduit, it shall be permitted to be

installed on the inside or outside of the conduit. When installed on the outside, the

length of the equipment grounding conductor shall not exceed 1 800 mm and shall be

routed with the raceway or enclosure. Fittings and boxes shall be bonded or grounded

in accordance with Article 2.50.

Splices and Taps. Splices and taps shall be made in accordance with Section 3.0.1 13. See

Article 3.70 for rules on the installation and use of boxes and conduit bodies.

Bends-Number in One Run. There shall not be more than the equivalent of four quarter

bends (360 degrees total) between pull points, e.g., conduit bodies and boxes.

Flexible Nonmetallic Conduit Fittings

Coupling

Flexible Nonmetallic Conduit

Disclaimer: The contents above are borrowed from STVEP - CBC/CBLM – Electrical Installation and Maintenance (EIM) by Mr. Marino C.

Cueto; Ms. Gina C, delos Santos; Dr. Corazon Echano; and Mr. Lemuel C. Valles, funded by the Department of Education.


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Liquid tight angle connector Liquid tight straight connector

Directions: Read the procedure below in installing conduit and electrical wiring from indoor

unit to outdoor using flexible non-metallic tubing. Write your remarks/comments

in every step by following the given table format below. Use a separate sheet of

paper.

1. Wear appropriate PPE.

2. Measure the required length of flexible non-metallic conduit from the outdoor unit to the

indoor unit.

3. Cut the flexible non-metallic tubing

4. Insert the wires first before laying out the tubing permanently.

5. Use guide wires to facilitate easy pulling of conductors.

ACTIVITY SHEET

Adapter




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6. Prepare the required length of the conductor.

7. Tie the conductors securely to the guide wires.

8. Pull the guide wires at the other end of the tubing.

9. Seek assistance from other person. The conductors should be push from the other end

while being pulled from the other end.

10. Lay out the tubing with conductors permanently

11. Just simply lay the electrical tubing on the path where the refrigeration system tubing is

installed.

.

12. Secure the flexible non-metallic tubing wrapping it with cable tie.

Wire

allowanc

e



________________________________________________________________________________________________________________________________________________________________

Subject to further validation for IP compliance, this material is for first quarter use only. Circulation shall be limited to public schools within the jurisdiction of the Division of Cebu Province. LR-PIPCV

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13. Insert the connector.

14. Secure the tubing to the raceway on the indoor unit.

15. Put the lock nut and tighten it.

16. Prepare the conductor for termination. Strip off at least 5 mm of insulation.

17. Terminate the conductors.

18. Be sure that the connections are tightened correctly.

Assessment Criteria

Dimensions VS

S

NI

1. Quality: Quality, workmanship, appearance

2. Accuracy: Dimension, horizontality and verticality of conduits




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3. Method: Observance of the safety measures.

4. Speed: Submission on time +1, before the expected time +2, after the expected time – 2.

Rating Scale:

VS – Very Satisfactory = 15 – 11

S – Satisfactory = 10 – 5

NI – Needs Improvement = 6 and below

Observation: (Table Format)

Steps

Remarks / Comments

First Step

Second Step

Third Step

Fourth step

Fifth step – up to the last step

``

Directions: Read carefully and answer the statement below. Write your answer on a



Cueto;Ms. Gina C, delos Santos; Dr. Corazon Echano; and Mr. Lemuel C. Valles, funded by the Department of Education.

GENERALIZATION


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1. Why flexible non-metallic conduit shall be permitted to be used in exposed or concealed

in a certain condition?

2. Why flexible non-metallic conduit shall not be used in a certain condition?

3. What is liquid tight flexible non-metallic conduit?

Rubrics:

Criteria Score Rate

Exceptionally clear, thorough and comprehend explanation. 4

Generally clear and substantial explanation. 3

Lacks of clarity, partial or not comprehensive explanation. 2

Unclear, misunderstanding or serious misconception on the explanation. 1

Directions: Draw the different types of Flexible Non-metallic Conduit Fittings. Label it. Use a


1. Coupling

2. Flexible Non-Metallic Conduit

3. Adapter

4. Liquid Tight Angle Connector

5. Liquid Tight Straight Connector

Rubrics:

Excellent (4) Good (3) Satisfactory

(2)

Needs

Improvement ((1)

Following

Project

Direction

all directions were

followed

you followed

most

directions

you followed

some

directions

none of the

directions were

followed

Use Of

Creativty

you used your own

ideas and imagination

as reflected on you

observation/comments

you used

your own

ideas most

of the time

you used

some

imagination

you did not use

your own

ideas/imagination

Effort Put

Into Project

you took your time

and work hard on the

project

you worked

hard for

most of the

time

you put a

small effort

into the project

you rushed

through and did

not work hard

PERFORMANCE TASKS




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I. Directions: Label the different types of Flexible Non-metallic Conduit Fittings. Write

your answer on a separate answer sheet.

II. Directions: Inside Box A are jumbled letters. Arrange the letters to form words pertaining

to Flexible Non-metallic Conduit. Then write the words inside Box B. Use a

separate sheet of paper for your answer.

Box A

1. gculinop

2. teradpa

3. connorect

4. tcoduin

5. xfeiblel

1.

2.

3.

4

5.


Ms. Gina C, delos Santos; Dr. Corazon Echano; and Mr. Lemuel C. Valles, funded by the Department of Education

SELF – CHECK

Box B


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ANSWER KEYS


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REFERENCES:

Johnston, Larry et.al., Better Homes and Gardens Wiring 1st Edition, Meredith Books; 2007,pp.

Mulin, R.C., Smith R.L. Electrical Wiring-Commercial, Six Ed., New York: Delmar’s Publishing Inc.; 1984, pp.

Agpoa, Feleciano. Interior and Exterior Wiring Troubleshooting ; National Bookstore: 1991


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For inquiries or feedback, please write or call: Department of Education: DepEd-Cebu Province Office Address : IPHO Bldg., Sudlon, Lahug, Cebu City, Philippines Telefax : (032) 520-3216 – 520-3217; SDS Office: (032) 255 - 6405 E-mail Address : [email protected] Bitoon National Vocational High School Office Address : Bitoon, Dumanjug, Cebu Telefax : (032) 471-8001 E-mail Address : [email protected]


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